Seth Thomas Research

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Seth Thomas Research

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The Total Production

Under Two Million

In 1904 the company published a trade catalog with all of their current models and announced a running total of some million and a half watches, with a decade of production yet to come before the end in 1914. Despite this statement, the total factory output in all sizes and models appears to be a little under two million watches, based on serial number ranges of reported examples, though there are an unknown number of 7-jewel Models 10 through 13, most of which did not have full serial numbers on the upper plate.

The Production Charts

 The watches logged in the Production charts are all reported examples or verified from photos.

These charts are for public use and for personal research, not for the Pocket Watch Database to "borrow".

Seth Thomas Master SN Block Chart (pdf)

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Seth Thomas Master Grade Chart (pdf)

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All photos and data protected by copyright. 


© 2025 - Seth Thomas Research v3.2.18k

Seth Thomas Highlights

The rarest regular-production two-tone pattern of all, made in one block of seventy - and then never again.

Other Rare Examples